Finding the Fourth Proportional to 171,579.80, 257,403.72 and 53,246.09
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Solution
The fourth proportional to 171,579.80, 257,403.72 and 53,246.09 is: 79,879.69
Step by Step Solution
- Step 1: Write the proportion equation
171,579.80 : 257,403.72 = 53,246.09 : x - Step 2: Convert to fraction form
171,579.80/257,403.72 = 53,246.09/x - Step 3: Cross multiply
171,579.80x = 257,403.72 × 53,246.09 - Step 4: Simplify right side
171,579.80x = 13,705,741,641.45 - Step 5: Solve for x
x = 13,705,741,641.45/171,579.80 - Step 6: Final answer
x = 79,879.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.